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. measurements
Topic 13: Lab and

Set C. Significant figures

1. Which mass measurement contains four significant figures?

1) 0.086 g 2) 0.431 g 3) 1003 g 4) 3870 g


2. Which measurement contains three significant figures?

1) 0.03 g 2) 0.030 g 3) 0.035 g 4) 0.0351 g


3. Which volume measurement is expressed in two significant figures?
1) 20 ml 2) 202 ml 3) 220 ml 4) 0.2 ml

Teacher Preview Copy
4. Which measurement has the greatest number of significant figures?

1) 44000 g 2) 404 g 3) 40.44 g 4) 0.40004 g


5. The volume measurement with the greatest number of significant figure is

1) 0.0250 L 2) 0.2050 L 3) 0.00025 L 4) 2500 L


6. Which of these numbers has the least number of significant figures?

1) 10.1 2) 0.10 3) 0.1001 4) 10


7. Which pressure measurement has the least number of significant figures?

4) 90 kPa

3) 70.88 kPa
1) 84 kPa Teacher Preview Copy

2) 34.1 kPa



Set D: Significant figures in calculations


3
1. The mass of a solid is 3.60 g and its volume is 1.8 cm . What is the density of the solid, expressed to

the correct number of significant figures?
3
3
3
1) 12 g/cm 2) 2.0 g/cm 3) 0.5 g/cm 4) 0.50 g/cm 3



2. Which quantity expresses the sum of 22.1 g + 375.66 g + 5400.132 g to the correct number of

significant figures?

1) 5800 g 2) 5798 g 3) 5797.9 g 4) 5797.892 g



3. The volume of a gas sample is 22 L at STP. The density of the gas is 1.35 g/ L. What is the mass of the

gas sample, expressed to the correct number of significant figures?

1) 30.g 2) 30.0 g 3) 16.7 g 4) 2.56 g




4. A student calculates the density of an unknown solid. The mass is 10.04 grams, and the volume is 8.21

cubic centimeters. How many significant figures should appear in the final answer?
1) 1 2) 2 3) 3 4) 4



5. The density of a solid is 1.235 g/ml and its volume is 40.2 ml. A student calculating the mass of the

solid should have how many significant figures in the final answer?

1) 1 2) 2 3) 3 4) 4

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